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MathsEasyMCQ2010 · Unknown

Q73.Let S be a non-empty subset of R. Consider the following statement: P : There is a rational number x ∈S such that x > 0. Which of the following statements is the negation of the statement P ? JEE Main 2010 JEE Main Previous Year Paper (1) There is no rational number x ∈S such that (2) Every rational number x ∈S satisfies x ≤0 x ≤0 (3) x ∈S and x ≤0 ⇒x is not rational (4) There is a rational number x ∈S such that x ≤0

What This Question Tests

This question directly tests the understanding of negating a quantified statement involving an existential quantifier ('there is') and a conditional ('such that').

Concepts Tested

Logical negationQuantifiers (existential, universal)

📚 NCERT Sections This Tests

14.1In An N-Type Silicon, Which Of The Following Statement Is True:

Physics Class 12 · Chapter 14

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14.1 In an n-type silicon, which of the following statement is true: (a) Electrons are majority carriers and trivalent atoms are the dopants. (b) Electrons are minority carriers and pentavalent atoms are the dopants. (c) Holes are minority carriers and pentavalent atoms are the dopants. (d) Holes are majority carriers and trivalent atoms are the dopants.

14.2Which Of The Statements Given In Exercise 14.1 Is True For P-Type

Physics Class 12 · Chapter 14

70% match

14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.

9.15Apply Mirror Equation And The Condition:

Physics Class 12 · Chapter 9

69% match

9.15 Apply mirror equation and the condition: (a) f < 0 (concave mirror); u < 0 (object on left) (b) f > 0; u < 0 (c) f > 0 (convex mirror) and u < 0 (d) f < 0 (concave mirror); f < u < 0 to deduce the desired result.

📋 Question Details

Chapter
Mathematical Reasoning
Topic
Negation of statements
Year
2010
Shift
Unknown
Q Number
Q73
Type
MCQ
NCERT Ref
Class 11 Mathematics Ch 14: Mathematical Reasoning
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